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Commitments and Contingencies - Summary of Outstanding Commitments to Fund Investments in Current Portfolio Companies (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	$ 33,338	$ 28,566
Accordion Partners LLC | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	765	1,531
AMCP Pet Holdings, Inc. | Revolving Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	275	350
Anthem Sports & Entertainment Inc. | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	83	83
BetaNXT, Inc. | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	1,449	2,174
Bradshaw International Parent Corp. | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	922	922
Centric Brands Inc. | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value		1,069
Centric Brands Inc. | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value		97
Colonnade Intermediate, LLC | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value		68
Critical Nurse Staffing, LLC | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	2,000	2,000
Dentive, LLC | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	234	186
Dentive, LLC | Delayed Draw Term Loan - First Lien
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	245	430
Fortis Payment Systems, LLC | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	744
GreenPark Infrastructure, LLC | Preferred Equity
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	1,829	1,829
H.W. Lochner, Inc. | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	2,142	4,142
IDC Infusion Services | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	805	1,065
Luminii LLC | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	172	172
Morae Global Corporation | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	208	208
Netwrix Corporation | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	1,148	1,148
Netwrix Corporation | Delayed Draw Term Loan - First Lien
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	30	941
PhyNet Dermatology LLC | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	690	690
Riddell Inc | Delayed Draw Term Loan - First Lien
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	636
Riskonnect Parent LLC | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	5,000
Series A-Great Lakes Funding II LLC | Joint Venture
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	10,912	5,473
TA/WEG Holdings, LLC | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value		758
TA/WEG Holdings, LLC | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	77	784
TA/WEG Holdings, LLC | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	784
Tactical Air Support, Inc. | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	286	286
VBC Spine Opco LLC | Delayed Draw Term Loan
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value	$ 1,902	1,902
VBC Spine Opco LLC | Revolver
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Unfunded Portfolio Company Commitments, Par Value		$ 258

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+ References

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Amount of financial support committed by investment company to investee that is contractually required but not provided.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-16

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